#VU12146 Memory corruption in Apple Safari - CVE-2018-4204

Vulnerability identifier: #VU12146

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-4204

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apple Safari
Client/Desktop applications / Web browsers

Vendor: Apple Inc.

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in the WebKit component when handling malicious input. A remote attacker can trick the victim into loading a specially crafted web content, trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation
Update to version 11.1.

Vulnerable software versions

Apple Safari: 11.0 - 11.0.3

---

External links
https://support.apple.com/en-us/HT208741

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.